Check

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Check to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "check": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-check"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Audits any Model Context Protocol (MCP) server to provide a comprehensive quality, security, and context-cost score with actionable insights.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Check

Check conducts behavioral evaluations to detect runtime threats like prompt injection, data exfiltration, secret leakage, and other OWASP MCP Top 10 vulnerabilities.

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